Sony HCD-D60 Service Manual page 108

Repair Procedure(2)•@
HCD-RX70 Series
•@
2) TC
Check if the symptom which YES
customer claimed can be
(Replace TCM-220WR)
produced with Test tape WS-48
or general tapes.
No
NPF- No Problem Found
(*) If results as NPF try aging 1 hour and then return to 1) or 2).